Unreal Engine Issues
Unreal Engine Issues
NavLink component does not account for the cost of the path set by AreaClass
UE - AI - Sep 6, 2018In the test case, the NavLink component has a navigation cost of 1000000000. When the AI navigates to the NavLink the printed cost is only 2677. It is believed that the AreaClass isn't being taken i ...
Data validation FAILED due to IWBE_Blutility containing invalid data
UE - Content - Engine - Jan 11, 20214.26[AssetLog] D:\Binary\UE_4.26\Engine\Content\Tutorial\InWorldBlueprintEditing\TutorialAssets\IWBE_Blutility.uasset: Default__IWBE_Blutility_C is not valid. See the MapCheck log messages for detai ...
Assets on paths with speed parameters are sped up in Path Tracer exports
TM - Rendering - Jul 18, 2025Reported in SF [Link Removed] In Path Tracer renders, all paths with a speed component (vehicles, bicycles, custom) will render at an increased speed than specified in the exported render. This is ...
Auto Exposure Compensation Curve issue when switching from Manual to Histogram
UE - Rendering Architecture - Feb 21, 2024When switching the Camera's Exposure Metering Mode from Manual toHistogram, the exposure level resets and takes time to settle. The Licensee has a proposed code change that would fix this issue. Als ...
Vehicle Template Gears incorrectly affect gear shift speed
UE - Gameplay - Feb 8, 2016Changing the Up Ratio of a vehicle movement component incorrectly alters gear shifting. For example, setting the ratio for Gear 3 to 1.0 will keep the vehicle from shifting to gear 2, etc. ...
Selected Objects Get Filled With Orange Color (Mac)
UE - Graphics Features - Nov 3, 2016When selecting actors in the scene they get filled with an orange color rather than the typical orange outline. This is unrelated to the setting "Selection Highlight Intensity" as the bug will sti ...
Suspension CoM calculations don't update with mass.
UE - Simulation - Physics - Dec 15, 2016UWheeledVehicleComponent calculates the Suspension settings only when the physics state is first created. When CoM is set through the editor, the vehicle is constructed with the appropriate offset ...
Assertion opening blueprint with HISMC created in 4.11
UE - World Creation - Worldbuilding Tools - Foliage - Jun 7, 2016After project was upgraded to 4.12 opening a blueprint that contains Hierarchical Instanced Static Mesh component will result in a crash. From the log I this is the important part: Assertion faile ...
Combo box does not function in packaged build
UE - Editor - UI Systems - May 10, 2017The ComboBox (string) element for UMG is not correctly displaying, The array options do not appear and can not be selected, for the packaged build, while PIE behaves as expected. Regression: This ...
Imported Materials Are Not Assigned To Correct Element Index Based Off Mat ID (3dsMax)
UE - Editor - Content Pipeline - Import and Export - Nov 17, 2016When importing a mesh with material IDs from 3dsMax they will get assigned to different element numbers than intended. This worked 4.13.2 Binary CL 3172292 Is Broken in 4.14 Binary CL 3195953 ...